Is there an event or field (maybe in viewer.scene.primitives?) that I can poll to see when my primitives (billboards + continent/country polygons read from multiple topojson files) have all completely loaded and rendered on screen? Right now, as things are being loaded + rendered, when I move the mouse inside the div containing the globe, the screen flickers (black/white/black/white...). When the primitives are completely rendered, then the flickering stops on mouse move.
To remedy this, I would like to show a "loading" splash screen on top of the globe div while the primitives are being rendered, and once complete, then remove the splash screen.
Thanks for the help,